Public water system · MD1180032
ActiveMargaret Brent Middle School
At a glance
Margaret Brent Middle School (PWSID MD1180032) is an active non-transient non-community water system in St. Mary's County, Maryland. It reports serving 1,050 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; none is health-based, and the most recent began in October 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,050
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Margaret Brent Middle School compare with other water systems in St. Mary's County?
By EPA's size categories, Margaret Brent Middle School is a small system (501 to 3,300 people). St. Mary's County has 194 active public water systems. Its population served is about 63% above the county average of 642 people per system, and accounts for 0.8% of the 124,635 people reported by systems filed under the county. Across Maryland, the 2,992 active systems average 1,947 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Margaret Brent Middle School is about 144% above that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Maryland has 491 active non-transient non-community water systems, 16% of the state's 2,992 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,870 Maryland systems (96%) list groundwater as their primary source.
Who owns and regulates Margaret Brent Middle School?
EPA lists Margaret Brent Middle School as owned by a local government. The MD state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 47 of the 194 active systems in St. Mary's County (24%) are also owned by a local government.
Does Margaret Brent Middle School have drinking water violations?
EPA's records list 10 violations for this system; none is health-based, and the most recent began in October 2019. The violations listed here began between July 1993 and October 2019. By type: 10 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (6 of them). EPA lists 10 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2019-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2015-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2013-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2005-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2002-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1994-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1993-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
All 10 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Margaret Brent Middle School: frequently asked questions
Who runs Margaret Brent Middle School?
Margaret Brent Middle School (PWSID MD1180032) is a non-transient non-community water system owned by a local government. It is regulated by the MD state drinking water program.
How many people does Margaret Brent Middle School serve?
Margaret Brent Middle School reports serving 1,050 people through 1 service connection in St. Mary's County, Maryland.
Where does Margaret Brent Middle School get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Margaret Brent Middle School have any drinking water violations?
EPA's records list 10 violations for this system; none is health-based, and the most recent began in October 2019. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Margaret Brent Middle School's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 10 violations for this system; none is health-based, and the most recent began in October 2019. For current results, consult EPA ECHO, or the MD state drinking water program.
Where can I find Margaret Brent Middle School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Margaret Brent Middle School is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in St. Mary's County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Lexington Park | St. Mary's | 43,030 | Community | Groundwater |
| Patuxent Naval Air Station (Navfac-Wash) | St. Mary's | 22,000 | Community | Groundwater |
| Town of Leonardtown | St. Mary's | 5,000 | Community | Groundwater |
| Country Lakes | St. Mary's | 3,016 | Community | Groundwater |
| Cedar Cove | St. Mary's | 2,728 | Community | Groundwater |
| Saint Marys College | St. Mary's | 2,200 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Margaret Brent Middle School, PWSID MD1180032, Maryland”, https://aquacensus.com/water-systems/maryland/margaret-brent-middle-school-md1180032 (data as of October 1, 2026).